> On Jul 9, 2019, at 10:45, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
>
> FYI, we're now thinking that the problem here is unrelated to partitions
> but instead is a bug in EPQ, which is a subsystem that's entered only when
> a row to be locked/updated is found to have just been updated by some
> concurrent transaction. See
>
> https://www.postgresql.org/message-id/flat/15900-bc482754fe8d7415%40postgresql.org
>
> If you're in a position to build a custom version of Postgres, you
> might try whether the patch proposed in that thread resolves your
> problem.
Thank you for the update. Unfortunately, I no longer work with that system and aren't able to try to reproduce the issue.
~Jason